6
GENERAL ADJUSTMENT
SERVO CIRCUIT
ADJUSTMENT PROCEDURE
1. Preparation
Playback the test tape (DP-2).
Set the oscilloscope to the CHOP mode. Connect CH1 to the V.SW PULSE (TJ591) and CH2 to the VIDEO OUT
(TJ391) and trigger the scope with the signal from CH1.
2. Adjustment
Adjust R591 to the positive rising edge of V.SW PULSE at 6.5H ±0.5H from the V-SYNC.
3. Adjustment Inspection Standard
6.5H ± 0.5H
4. REMARKS
ITEM
ADJUSTMENT
PARTS
CHECK POINT
TEST EQUIPMENTS
MODE
TEST TAPE
Playback
Phase
R591
TJ591(V.SW)
TJ391(VIDEO OUT)
Oscilloscope
Play
DP-2
LOCATION OF ADJUSTMENT PARTS
OBSERVATION WAVEFORM
MOD
A/V JACK
TJ391
(VIDEO OUT)
PRE-AMP
SMPS
TJ591
(V. SW)
R591
FRONT
Содержание DV-S123W Series
Страница 33: ...32 PRINTED CIRCUIT BOARD 1 PCB MAIN ...
Страница 34: ...33 PRINTED CIRCUIT BOARD 2 PCB POWER SMPS ...
Страница 35: ...34 CIRCUIT DIAGRAM 1 CONNECTION DIAGRAM DV S103W S103A S103N ...
Страница 36: ...35 CIRCUIT DIAGRAM 2 POWER CIRCUIT DV S103W ...
Страница 37: ...36 CIRCUIT DIAGRAM 3 SERVO SYSCON CIRCUIT DV S103W ...
Страница 38: ...37 CIRCUIT DIAGRAM 4 AV INPUT OUTPUT CIRCUIT DV S103W ...
Страница 39: ...38 CIRCUIT DIAGRAM 5 VIDEO AUDIO CIRCUIT DV S103W S103A S103N S103S ...
Страница 40: ...39 EXPLODING VIEWS PARTS LIST 1 PACKING AS ...
Страница 41: ...40 EXPLODING VIEWS PARTS LIST 2 SET TOTAL ASSEMBLY ...
Страница 42: ...41 EXPLODING VIEWS PARTS LIST 3 FRONT PANEL ASSEMBLY DV S103W FRONT PANEL ASSEMBLY ...
Страница 43: ...42 EXPLODING VIEWS PARTS LIST DV S123W FRONT PANEL ASSEMBLY ...